"Klimatafel von Chunggang / Korea (Nordkorea)"(PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Archived from the original(PDF) on April 26, 2022. Retrieved 6 November 2016.
"Klimatafel von Chunggang / Korea (Nordkorea)"(PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Archived from the original(PDF) on April 26, 2022. Retrieved 6 November 2016.
"Station 47014 Chunggang". Global station data 1961–1990—Sunshine Duration. Deutscher Wetterdienst. Archived from the original on 2017-10-17. Retrieved 6 November 2016.